coverity#1338258 Uncaught exception

Change-Id: I61032db81c012f2120bdd971111155d660eef5b4

helpcompiler/inc/HelpCompiler.hxx

@@ -231,7 +231,7 @@ public:
                 const std::string &in_module,
                 const std::string &in_lang,
                 bool in_bExtensionMode);
-    bool compile() throw (HelpProcessingException, BasicCodeTagger::TaggerException);
+    bool compile() throw (HelpProcessingException, BasicCodeTagger::TaggerException, std::exception);
 private:
     xmlDocPtr getSourceDocument(const fs::path &filePath);
     static void tagBasicCodeExamples(xmlDocPtr doc);

helpcompiler/source/HelpCompiler.cxx

@@ -437,7 +437,7 @@ void myparser::traverse( xmlNodePtr parentNode )
 }
 
 bool HelpCompiler::compile()
-    throw (HelpProcessingException, BasicCodeTagger::TaggerException)
+    throw (HelpProcessingException, BasicCodeTagger::TaggerException, std::exception)
 {
     // we now have the jaroutputstream, which will contain the document.
     // now determine the document as a dom tree in variable docResolved